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BUG#27939: Early NULLs filtering doesn't work for eq_ref access

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- Turn it on for JT_EQ_REF access method


mysql-test/r/join.result:
  BUG#27939: Testcase
mysql-test/t/join.test:
  BUG#27939: Testcase
This commit is contained in:
unknown
2007-04-19 03:04:23 +04:00
parent 3e8252ffc6
commit 1b8ecd274e
5 changed files with 127 additions and 2 deletions
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5
sql/sql_select.cc
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@@ -5444,8 +5444,9 @@ static void add_not_null_conds(JOIN *join)
for (uint i=join->const_tables ; i < join->tables ; i++)
{
JOIN_TAB *tab=join->join_tab+i;
if ((tab->type == JT_REF || tab->type == JT_REF_OR_NULL) &&
!tab->table->maybe_null)
if ((tab->type == JT_REF || tab->type == JT_EQ_REF ||
tab->type == JT_REF_OR_NULL) &&
!tab->table->maybe_null)
{
for (uint keypart= 0; keypart < tab->ref.key_parts; keypart++)
{